How To Fix WP415 - No parameters for implicit conversion cat. 'ULUF' exist

WP415 - Overview

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 415

• Message text: No parameters for implicit conversion cat. 'ULUF' exist

What causes this issue?

No conversion parameters exist for the implicit conversion category
'ULUF'.

System Response

The IDoc data cannot be processed.

How to fix this error?

<DS:SIMG.W_DF_VK_0129.SIMG_OPOS>Maintain parameters for the conversion
category 'ULUF'</>.

Error message extract from SAP system. Copyright SAP SE.

WP415 - Details

• The SAP error message:
  WP415 No parameters for implicit conversion cat. 'ULUF' exist
  typically occurs in the context of SAP Workflow or ABAP programming when there is an attempt to perform an implicit conversion between data objects or types, but no conversion parameters or rules are defined for the specified conversion category.
  
  Explanation / Cause
  
  Implicit conversion category 'ULUF' refers to a specific type of conversion in SAP's conversion framework.
  The error means that SAP is trying to convert data from one type to another implicitly using conversion category 'ULUF', but no conversion parameters or rules exist for this category.
  This usually happens when:
  A workflow container element or a method parameter is being assigned or passed, and SAP tries to convert the data types implicitly.
  The conversion category 'ULUF' is either custom or not properly maintained in the system.
  The conversion rules for this category are missing or incomplete in transaction SCON (Conversion Rules).
  
  
  
  
  Where does this happen?
  
  In SAP